/*
* Copyright (c) 2006-2007 Erin Catto http:
*
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked, and must not be
* misrepresented the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
* Converted for The Render Engine v2.0
* Aug. 4, 2010 Brett Fattori
*/

Engine.include("/physics/common/math/b2Math.js");

Engine.include("/physics/dynamics/contacts/b2Contact.js");
Engine.include("/physics/dynamics/contacts/b2ContactNode.js");

Engine.initObject("b2NullContact", "b2Contact", function() {

   var b2NullContact = b2Contact.extend({
   
      constructor: function(s1, s2) {
         // The constructor for b2Contact
         // initialize instance variables for references
         this.m_node1 = new b2ContactNode();
         this.m_node2 = new b2ContactNode();
         //
         this.m_flags = 0;

         if (!s1 || !s2){
            this.m_shape1 = null;
            this.m_shape2 = null;
            return;
         }

         this.m_shape1 = s1;
         this.m_shape2 = s2;

         this.m_manifoldCount = 0;

         this.m_friction = Math.sqrt(this.m_shape1.m_friction * this.m_shape2.m_friction);
         this.m_restitution = b2Math.b2Max(this.m_shape1.m_restitution, this.m_shape2.m_restitution);

         this.m_prev = null;
         this.m_next = null;

         this.m_node1.contact = null;
         this.m_node1.prev = null;
         this.m_node1.next = null;
         this.m_node1.other = null;

         this.m_node2.contact = null;
         this.m_node2.prev = null;
         this.m_node2.next = null;
         this.m_node2.other = null;
      },

      Evaluate: function() {
      },

      GetManifolds: function() { 
         return null; 
      }
   
   });
   
   return b2NullContact;

});
